Home / 9,165,969-13,751,986.14-4,905,187.56

Finding the Fourth Proportional to 9,165,969, 13,751,986.14 and 4,905,187.56

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Solution

The fourth proportional to 9,165,969, 13,751,986.14 and 4,905,187.56 is: 7,359,404.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,165,969 : 13,751,986.14 = 4,905,187.56 : x
  2. Step 2: Convert to fraction form
    9,165,969/13,751,986.14 = 4,905,187.56/x
  3. Step 3: Cross multiply
    9,165,969x = 13,751,986.14 × 4,905,187.56
  4. Step 4: Simplify right side
    9,165,969x = 67,456,071,339,220.41
  5. Step 5: Solve for x
    x = 67,456,071,339,220.41/9,165,969
  6. Step 6: Final answer
    x = 7,359,404.26

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.